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采掘工作面接近水淹或者可能积水的井巷、老空区或者相邻煤矿时时,应当采取什么措施?
某大豆经销商在大连商品交易所买入20手大豆期货合约进行套期保值,建仓时基差为-20元/吨。以下描述正确的是( )。(大豆期货合约规模为每手10吨,不计手续费等费用)[2019年9月真题]
咬合病的治疗原则不正确的是().
背传球的击球点一般应保持在()。
以下项目中,转让新建房地产和转让存量房产,计算其土地增值税增值额时均能扣除的项目是()。
下列属于企业的对外行为识别的是()。
非限定性券商集合计划的认购起点金额为()。
根据传染病防治法,SARS的管理应( )。
心痛彻背,背痛彻心,()主之。
工作分析最初产生于美国的()。
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As a sailor on duty you must know how to ()(调整)derricks.
Are you the sailor on duty?()
Are you the duty sailor?()
As a duty sailor, he should ().
The sailor on duty is ()the derrick now.
The sailor should ()(报告)it to the duty officer.
Which of the following is not the duty of the sailor on gangway watch? ()
Mr.Jones was tired , he will()over his duty of look out to another sailor.
Mr.Jones was tired,he will()over his duty of look out to another sailor.
As a sailor on duty you must know how to adjust derrick.()